Initial commit with 🏗️ Scaffold-ETH 2 @ 1.0.5

packages/nextjs/hooks/scaffold-eth/useDisplayUsdMode.ts

@@ -0,0 +1,21 @@
+import { useCallback, useEffect, useState } from "react";
+import { useGlobalState } from "~~/services/store/store";
+
+export const useDisplayUsdMode = ({ defaultUsdMode = false }: { defaultUsdMode?: boolean }) => {
+  const nativeCurrencyPrice = useGlobalState(state => state.nativeCurrency.price);
+  const isPriceFetched = nativeCurrencyPrice > 0;
+  const predefinedUsdMode = isPriceFetched ? Boolean(defaultUsdMode) : false;
+  const [displayUsdMode, setDisplayUsdMode] = useState(predefinedUsdMode);
+
+  useEffect(() => {
+    setDisplayUsdMode(predefinedUsdMode);
+  }, [predefinedUsdMode]);
+
+  const toggleDisplayUsdMode = useCallback(() => {
+    if (isPriceFetched) {
+      setDisplayUsdMode(!displayUsdMode);
+    }
+  }, [displayUsdMode, isPriceFetched]);
+
+  return { displayUsdMode, toggleDisplayUsdMode };
+};